package cn.zy.service;

import java.util.List;

import cn.zy.bean.User;

public interface UserService {
	public boolean save(User user);
	
	public User findSUser(String telephone,String password);

	public void update(User user);

	public User find(String username);

	public void delete(String... Usernames);

	public List<User> list();
}
